public DanhSachAnPham TimTuaDeDaiNhat(DanhSachAnPham a)
{
DanhSachAnPham kq = new DanhSachAnPham();
int max = a.TimTuaDeMax();
foreach (var item in a.ds)
{
if (item is Sach)
{
Sach s = (Sach)item;
if (s.TuaDe.Length == max)
{
kq.Them(item);
}
}
else if (item is TapChi)
{
TapChi tc = (TapChi)item;
if (tc.TuDe.Length == max)
{
kq.Them(item);
}
}
}
return(kq);
}
public DanhSachAnPham SapXepTrangGiam(DanhSachAnPham a)
{
foreach (var item in a.ds)
{
a.ds.Sort((x, y) => y.SoTrang.CompareTo(x.SoTrang));
}
return(a);
}
private List <string> LayDSNXB(DanhSachAnPham a)
{
foreach (var item in a.ds)
{
if (!DSNXB.Contains(item.NXB))
{
DSNXB.Add(item.NXB);
}
}
return(DSNXB);
}
public DanhSachAnPham TimDSBao(DanhSachAnPham a)
{
DanhSachAnPham kq = new DanhSachAnPham();
foreach (var item in a.ds)
{
if (item is Bao)
{
kq.Them(item);
}
}
return(kq);
}
public DanhSachAnPham TimSoTrangMin(DanhSachAnPham a)
{
DanhSachAnPham kq = new DanhSachAnPham();
int min = a.TimTrangMin();
foreach (var item in a.ds)
{
if (item.SoTrang == min)
{
kq.Them(item);
}
}
return(kq);
}
public void TimTheoNXB(DanhSachAnPham a)
{
string nhap;
Console.WriteLine("Nhap ten NXB can tim an pham (NXBGD,NXBVN,NXBKD,etc...)");
nhap = Console.ReadLine();
Console.WriteLine("Danh sach an pham cua NXB: {0}", nhap);
foreach (var item in a.ds)
{
if (nhap.CompareTo(item.NXB) == 0)
{
Console.WriteLine(item);
}
}
}
public void HienThiDSNXB(DanhSachAnPham a)
{
DSNXB = LayDSNXB(a);
foreach (var item in DSNXB)
{
Console.WriteLine("Danh sach an pham cua nxb: {0} ", item);
Console.WriteLine("==============================");
for (int i = 0; i < a.Dai(); i++)
{
if (item.CompareTo(a[i].NXB) == 0)
{
Console.WriteLine(a[i]);
}
}
}
}
public void XoaTheoNXB(DanhSachAnPham a)
{
string nhap;
Console.WriteLine("Nhap ten NXB can xoa!!(NXBGD,NXBVN,NXBKD,etc...");
nhap = Console.ReadLine();
for (int j = 0; j < 2; j++)
{
for (int i = 0; i < a.Dai(); i++)
{
if (nhap.CompareTo(a[i].NXB) == 0)
{
a.Xoa(a[i]);
}
}
}
}
public DanhSachAnPham TimTCBVMin(DanhSachAnPham a)
{
DanhSachAnPham ds = TimDSTapChi(a);
DanhSachAnPham kq = new DanhSachAnPham();
int min = ds.TimMinBV();
for (int i = 0; i < ds.Dai(); i++)
{
if (ds[i] is TapChi)
{
TapChi tc = (TapChi)ds[i];
if (tc.SoBaiViet == min)
{
kq.Them(ds[i]);
}
}
}
return(kq);
}
public void HienThiDanhSachNXBMin(DanhSachAnPham a)
{
int min = TimNXBMin(a);
DSNXB = LayDSNXB(a);
foreach (var item in DSNXB)
{
int dem = 0;
for (int i = 0; i < a.Dai(); i++)
{
if (item.CompareTo(a[i].NXB) == 0)
{
dem++;
}
}
if (dem == min)
{
Console.WriteLine("NXB It an pham nhat la: {0}, voi so an pham la: {1}", item, dem);
}
}
}
private int TimNXBMin(DanhSachAnPham a)
{
int min = int.MaxValue;
DSNXB = LayDSNXB(a);
foreach (var item in DSNXB)
{
int dem = 0;
for (int i = 0; i < a.Dai(); i++)
{
if (item.CompareTo(a[i].NXB) == 0)
{
dem++;
}
}
if (dem < min)
{
min = dem;
}
}
return(min);
}
static void Main(string[] args)
{
//Console.WriteLine("Nhan phim bat ky de xuat danh sach menu!!..........");
//Console.ReadKey();
DanhSachAnPham ds = new DanhSachAnPham();
QuanLyAnPham ql = new QuanLyAnPham();
while (true)
{
Console.Clear();
Console.WriteLine("=================================================================");
Console.WriteLine("=============DINH TRONG DAT CTK43================================");
Console.WriteLine("=================================================================");
Console.WriteLine("Nhap {0} de thoat chuong trinh", (int)Menu.Thoat);
Console.WriteLine("Nhap {0} de Nhap tu ban phim", (int)Menu.NhapTuBanPhim);
Console.WriteLine("Nhap {0} de Nhap tu file", (int)Menu.NhapTuFile);
Console.WriteLine("Nhap {0} de Xuat Danh sach du lieu", (int)Menu.Xuat);
Console.WriteLine("Nhap {0} de Tim tap chi co so luong bai viet lon nhat, nho nhat", (int)Menu.TimTapChiCoSLBVMaxMin);
Console.WriteLine("Nhap {0} de Tim tua de ngan nhat - dai nhat", (int)Menu.TimTuaDeNganDai);
Console.WriteLine("Nhap {0} de Tim trang ngan - dai nhat", (int)Menu.TimTrangNganDai);
Console.WriteLine("Nhap {0} de Hien thi danh sach theo nxb", (int)Menu.HienThiDSTheoNXB);
Console.WriteLine("Nhap {0} de tim NXB nhieu - it an pham nhat", (int)Menu.TimNXBNhieuAnPhamNhat);
Console.WriteLine("Nhap {0} de Tim tat ca an pham theo NXB", (int)Menu.TimTatCaAnPhamTheoNXBDo);
Console.WriteLine("Nhap {0} de Xoa tat ca an pham thuoc NXB nao do", (int)Menu.XoaAnPhamThuocNXB);
Console.WriteLine("Nhap {0} de Hien thi danh sach theo chieu tang giam so trang", (int)Menu.HienThiAnPhamTheoChieuTangGiamTrang);
Menu nhap = (Menu)int.Parse(Console.ReadLine());
switch (nhap)
{
case Menu.Thoat:
return;
case Menu.NhapTuBanPhim:
{
Console.Clear();
ds.NhapBangTay();
ds.Xuat();
}
break;
case Menu.NhapTuFile:
{
Console.Clear();
ds.NhapTuFile();
Console.WriteLine("Du lieu tap tin da duoc chuyen vao danh sach!!");
}
break;
case Menu.Xuat:
{
Console.Clear();
Console.WriteLine("Danh sach hien hanh!!");
Console.WriteLine("===============================================================================");
ds.Xuat();
Console.WriteLine("===============================================================================");
}
break;
case Menu.TimTapChiCoSLBVMaxMin:
{
Console.Clear();
Console.WriteLine("Tap chi co so luong bai viet nhieu nhat la: " + "\n");
Console.WriteLine(ql.TimTCBVMax(ds));
Console.WriteLine("Tap chi co so luong bai viet it nhat la:" + "\n");
Console.WriteLine(ql.TimTCBVMin(ds));
}
break;
case Menu.TimTuaDeNganDai:
{
Console.Clear();
Console.WriteLine("Danh sach co tua de dai nhat la:" + "\n");
Console.WriteLine(ql.TimTuaDeDaiNhat(ds));
Console.WriteLine("Danh sach co tua de ngan nhat la:" + "\n");
Console.WriteLine(ql.TimTuaDeNganNhat(ds));
}
break;
case Menu.TimTrangNganDai:
{
Console.Clear();
Console.WriteLine("An pham co so trang dai nhat la: " + "\n");
Console.WriteLine(ql.TimSoTrangMax(ds));
Console.WriteLine("An pham co so trang ngan nhat la: " + "\n");
Console.WriteLine(ql.TimSoTrangMin(ds));
}
break;
case Menu.HienThiDSTheoNXB:
{
Console.Clear();
ql.HienThiDSNXB(ds);
}
break;
case Menu.TimNXBNhieuAnPhamNhat:
{
Console.Clear();
Console.WriteLine("Danh sach nha xuat ban: " + "\n");
ql.HienThiDSNXB(ds);
Console.WriteLine();
ql.HienThiDanhSachNXBMax(ds);
ql.HienThiDanhSachNXBMin(ds);
}
break;
case Menu.TimTatCaAnPhamTheoNXBDo:
{
Console.Clear();
ql.TimTheoNXB(ds);
}
break;
case Menu.XoaAnPhamThuocNXB:
{
Console.Clear();
Console.WriteLine("Danh sach hien hanh");
ds.Xuat();
ql.XoaTheoNXB(ds);
Console.WriteLine("Nhan phim bat ky de xoa!!");
Console.ReadKey();
Console.Clear();
ds.Xuat();
}
break;
case Menu.HienThiAnPhamTheoChieuTangGiamTrang:
{
Console.Clear();
Console.WriteLine("Danh sach trang tang dan: " + "\n");
Console.WriteLine(ql.SapXepTrangTang(ds));
Console.WriteLine("Danh sach trang giam dan: " + "\n");
Console.WriteLine(ql.SapXepTrangGiam(ds));
}
break;
default:
break;
}
Console.ReadLine();
}
}
